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The impact of compute virtualization on the data center network has been profound. There are more virtual ports then physical ports. That simple measurement overshadows any other disruption in networking. We arrived at this transformation as a result of significant adoption of OS virtualization. The next revision of compute virtualization is the application. The last significant bastion of efficiency is to …

Exciting times are upon us. I have humbly accepted a job at Red Hat on the Open Daylight dev team working with some incredible people at Red Hat and just as special folks in the community. I just wanted to pop up a brief post letting my friends in the community know where I am heading. I will miss my …

This post is for installing OVS from RedHat RPM binaries. If you want to build Open vSwitch from source please see this post. Open vSwitch v2.0 introduces some really important features, at the top of the list is multi-threaded support in vswitchd. This will increase flow instantiation rates significantly into the upstream kernel module. A rough guess would be from …

The easiest way to get started with a quick SDN lab image is using the Mininet image that is now managed by the ONLAB which is part of the ONRC. They do a nice job keeping the images maintained. Ideally the will incorporate ODL into the image soon since the ODL GUI is great for folks to get started with …

This post is not intended to participate in the vendor Overlay vs. Underlay vs. Open OS vs. closed NOS but rather a network centric look at some things I am considering. The simple answer is routing scales and bridging doesn’t in my experience. As I look back at the first decade in my career I spent operating and designing Ethernet …

What an exciting time to be in networking. This past month of September has been a blur of SDN product announcements and emerging strategies. At the top of the heap was the NSX announcement from a software company in Vmware that encapsulated Nicira’s SDN push. I am an unabashed Casado fan boy so whatevers. Humility and genius is lightning striking …

Cisco announced the ONE controller at Cisco Live last summer. The ONE has been in Beta for a few months now. There is still plenty of fragmentation around what SDN is and what it should solve. One generally accepted concept is the way we operate networks today, is showing signs of age. The announcement of OpenDaylight this week, pretty much …

DevStack is a scripted OpenStack installer maintained for developers to prototype and debug. It is also handy for operators to proof concepts and test new services and configurations. This is a good starter for folks new to OpenStack to help understand how to install and operate OpenStack. Some folks have been asking about multi-node DevStack deployment using nova network, so …

Pickle The Coding Kitty

Pickle the cat is sleepy after rolling some code for me. If anything here was helpful consider supporting some homeless kitties and click the picture and help save some furry friends today! http://www.alleycat.org/ or head to The Petition Site www.thepetitionsite.com and sign a few petitions to help prevent animal cruelty. It only takes a few clicks to help out!

Podcast Roll

If you would like me to list your tech podcast here please don’t hesitate to ping me. I am short on time these days and its hard to keep up.

Start Blogging Today

Start blogging, coding, Tweeting, labbing, anything that contributes to the community while improving yourself at the same time. Either way, no one is going to learn for you and you sure as hell don’t want to wait on some poseur middle manager or peer talking a big game at the expense of your career. Take control of your own future. So few careers equate hard work to reward like IT. Enough pep talking, get to it and change the world!

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